SMS
links
http://qt.gitorious.org/qt-mobility/messaging/blobs/master/messaging/qmessage_maemo.cpp
http://qt.nokia.com/doc/qtmobility-1.0-tp2/qtmobility-known-issues.html
https://garage.maemo.org/plugins/wiki/index.php?Tools&id=1106&type=g
http://wiki.maemo.org/Documentation/Maemo_5_Developer_Guide/DBus/DBus_in_Freemantle
http://qt.nokia.com/doc/qtmobility-1.0-tp2/messaging.html
http://wiki.forum.nokia.com/index.php/How_to_use_Mobile_Extension_APIs
SMS
send short text and numeric messages to and from digital cell phones,
cell phones and e-mail addresses, as well as cell phones and
public SMS messaging gateways on the Internet
no busy signals
quick service
silent and discreet
SMS alerts
e-mail and SMS are "store and forward" system
utilize a gateway to pass messages from senders to recipients
obvious difference -
length and complexity of the messages
attach files, imbed images, and make use of HTML
IM
virtual real-time text conversations (or chat) with people who are simultaneously connected to the Internet
SMS messages are immediate, but not simultaneous
sms sent and processed by a SMSC